Finding the Fourth Proportional to 1,113.52, 1,536.51 and 693.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.52 : 1,536.51 = 693.89 : x
2. Step 2: Convert to fraction form
   1,113.52/1,536.51 = 693.89/x
3. Step 3: Cross multiply
   1,113.52x = 1,536.51 × 693.89
4. Step 4: Simplify right side
   1,113.52x = 1,066,168.92
5. Step 5: Solve for x
   x = 1,066,168.92/1,113.52
6. Step 6: Final answer
   x = 957.48